Não informado. (2001). Global Cosmetic Industry. Advanstar Communications.
Chicago (17e ed.) BronvermeldingNão informado. Global Cosmetic Industry. Duluth, Minn: Advanstar Communications, 2001.
MLA (8e ed.) BronvermeldingNão informado. Global Cosmetic Industry. Advanstar Communications, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.